This low-profile cardioid condenser boundary microphone is recommended for unobtrusive table-, ceiling-, or panel-mount applications in high-quality sound reinforcement, professional recording and teleconferencing. Designed for permanent installation, the microphone is equipped with a self-contained power module with an XLRM-type output connector, eliminating the need for an external power module. Protected by a rugged all-metal case with a two-layer steel mesh grille, the microphone has a cardioid pattern for enhanced gain before feedback and improved signal-to-noise ratio. It is available in two colors: black (ES947) and white (ES947W).
Designed for surface-mount applications such as high-quality sound reinforcement, professional recording and teleconferencing
Low-profile element provides uniform cardioid polar pattern with 120º acceptance angle
Mounts unobtrusively in table-tops, ceilings and wall panels
Self-contained power module with XLRM-type output connector
Rugged all-metal case with a two-layer steel mesh grille
Isolators provide mechanical dampening of mounting-surface vibration
Requires 11V to 52V DC phantom power
UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
Available in two colors: black (ES947) and white (ES947W)
RoHS compliant—free from all substances specified in the EU directive on hazardous substances
ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Half-cardioid (Cardioid in hemisphere above mounting surface)
FREQUENCY RESPONSE 40-12,000 Hz
OPEN CIRCUIT SENSITIVITY -42 dB (7.9 mV) re 1V at 1 Pa
IMPEDANCE 200 ohms
MAXIMUM INPUT SOUND LEVEL 142 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) 113 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 65 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
WEIGHT 64 g (2.3 oz)
DIMENSIONS 69.0 mm (2.72") long,
30.0 mm (1.18") diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORY FURNISHED One pair isolators
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